Annotation of src/usr.bin/tmux/status.c, Revision 1.147
1.147 ! nicm 1: /* $OpenBSD: status.c,v 1.146 2015/12/11 16:37:21 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/time.h>
21:
22: #include <errno.h>
23: #include <limits.h>
24: #include <stdarg.h>
25: #include <stdlib.h>
26: #include <string.h>
27: #include <time.h>
28: #include <unistd.h>
29:
30: #include "tmux.h"
31:
1.139 nicm 32: char *status_redraw_get_left(struct client *, time_t, struct grid_cell *,
33: size_t *);
34: char *status_redraw_get_right(struct client *, time_t, struct grid_cell *,
1.123 nicm 35: size_t *);
36: char *status_print(struct client *, struct winlink *, time_t,
37: struct grid_cell *);
38: char *status_replace(struct client *, struct winlink *, const char *, time_t);
1.42 nicm 39: void status_message_callback(int, short, void *);
1.133 nicm 40: void status_timer_callback(int, short, void *);
1.1 nicm 41:
1.65 nicm 42: const char *status_prompt_up_history(u_int *);
43: const char *status_prompt_down_history(u_int *);
44: void status_prompt_add_history(const char *);
1.128 nicm 45:
46: const char **status_prompt_complete_list(u_int *, const char *);
47: char *status_prompt_complete_prefix(const char **, u_int);
48: char *status_prompt_complete(struct session *, const char *);
1.1 nicm 49:
1.130 nicm 50: char *status_prompt_find_history_file(void);
51:
1.65 nicm 52: /* Status prompt history. */
1.128 nicm 53: #define PROMPT_HISTORY 100
54: char **status_prompt_hlist;
55: u_int status_prompt_hsize;
1.130 nicm 56:
57: /* Find the history file to load/save from/to. */
58: char *
59: status_prompt_find_history_file(void)
60: {
61: const char *home, *history_file;
62: char *path;
63:
1.137 nicm 64: history_file = options_get_string(global_options, "history-file");
1.130 nicm 65: if (*history_file == '\0')
66: return (NULL);
67: if (*history_file == '/')
68: return (xstrdup(history_file));
69:
70: if (history_file[0] != '~' || history_file[1] != '/')
71: return (NULL);
72: if ((home = find_home()) == NULL)
73: return (NULL);
74: xasprintf(&path, "%s%s", home, history_file + 1);
75: return (path);
76: }
77:
78: /* Load status prompt history from file. */
79: void
80: status_prompt_load_history(void)
81: {
82: FILE *f;
83: char *history_file, *line, *tmp;
84: size_t length;
85:
86: if ((history_file = status_prompt_find_history_file()) == NULL)
87: return;
88: log_debug("loading history from %s", history_file);
89:
90: f = fopen(history_file, "r");
91: if (f == NULL) {
92: log_debug("%s: %s", history_file, strerror(errno));
93: free(history_file);
94: return;
95: }
96: free(history_file);
97:
98: for (;;) {
99: if ((line = fgetln(f, &length)) == NULL)
100: break;
101:
102: if (length > 0) {
103: if (line[length - 1] == '\n') {
104: line[length - 1] = '\0';
105: status_prompt_add_history(line);
106: } else {
107: tmp = xmalloc(length + 1);
108: memcpy(tmp, line, length);
109: tmp[length] = '\0';
110: status_prompt_add_history(tmp);
111: free(tmp);
112: }
113: }
114: }
115: fclose(f);
116: }
117:
118: /* Save status prompt history to file. */
119: void
120: status_prompt_save_history(void)
121: {
122: FILE *f;
123: u_int i;
124: char *history_file;
125:
126: if ((history_file = status_prompt_find_history_file()) == NULL)
127: return;
128: log_debug("saving history to %s", history_file);
129:
130: f = fopen(history_file, "w");
131: if (f == NULL) {
132: log_debug("%s: %s", history_file, strerror(errno));
133: free(history_file);
134: return;
135: }
136: free(history_file);
137:
138: for (i = 0; i < status_prompt_hsize; i++) {
139: fputs(status_prompt_hlist[i], f);
140: fputc('\n', f);
141: }
142: fclose(f);
143:
1.87 nicm 144: }
145:
1.133 nicm 146: /* Status timer callback. */
147: void
1.141 nicm 148: status_timer_callback(__unused int fd, __unused short events, void *arg)
1.133 nicm 149: {
150: struct client *c = arg;
151: struct session *s = c->session;
152: struct timeval tv;
153:
154: evtimer_del(&c->status_timer);
155:
156: if (s == NULL)
157: return;
158:
159: if (c->message_string == NULL && c->prompt_string == NULL)
160: c->flags |= CLIENT_STATUS;
161:
162: timerclear(&tv);
1.137 nicm 163: tv.tv_sec = options_get_number(s->options, "status-interval");
1.133 nicm 164:
165: if (tv.tv_sec != 0)
166: evtimer_add(&c->status_timer, &tv);
1.136 nicm 167: log_debug("client %p, status interval %d", c, (int)tv.tv_sec);
1.133 nicm 168: }
169:
170: /* Start status timer for client. */
171: void
172: status_timer_start(struct client *c)
173: {
174: struct session *s = c->session;
175:
176: if (event_initialized(&c->status_timer))
177: evtimer_del(&c->status_timer);
178: else
179: evtimer_set(&c->status_timer, status_timer_callback, c);
180:
1.137 nicm 181: if (s != NULL && options_get_number(s->options, "status"))
1.133 nicm 182: status_timer_callback(-1, 0, c);
183: }
184:
185: /* Start status timer for all clients. */
186: void
187: status_timer_start_all(void)
188: {
189: struct client *c;
190:
191: TAILQ_FOREACH(c, &clients, entry)
192: status_timer_start(c);
193: }
194:
1.87 nicm 195: /* Get screen line of status line. -1 means off. */
196: int
197: status_at_line(struct client *c)
198: {
199: struct session *s = c->session;
200:
1.137 nicm 201: if (!options_get_number(s->options, "status"))
1.87 nicm 202: return (-1);
203:
1.137 nicm 204: if (options_get_number(s->options, "status-position") == 0)
1.87 nicm 205: return (0);
206: return (c->tty.sy - 1);
1.71 nicm 207: }
208:
1.48 nicm 209: /* Retrieve options for left string. */
210: char *
1.139 nicm 211: status_redraw_get_left(struct client *c, time_t t, struct grid_cell *gc,
212: size_t *size)
1.48 nicm 213: {
214: struct session *s = c->session;
1.120 nicm 215: const char *template;
1.48 nicm 216: char *left;
217: size_t leftlen;
218:
1.137 nicm 219: style_apply_update(gc, s->options, "status-left-style");
1.48 nicm 220:
1.137 nicm 221: template = options_get_string(s->options, "status-left");
1.123 nicm 222: left = status_replace(c, NULL, template, t);
1.48 nicm 223:
1.137 nicm 224: *size = options_get_number(s->options, "status-left-length");
1.139 nicm 225: leftlen = screen_write_cstrlen("%s", left);
1.48 nicm 226: if (leftlen < *size)
227: *size = leftlen;
228: return (left);
229: }
230:
231: /* Retrieve options for right string. */
232: char *
1.139 nicm 233: status_redraw_get_right(struct client *c, time_t t, struct grid_cell *gc,
234: size_t *size)
1.48 nicm 235: {
236: struct session *s = c->session;
1.120 nicm 237: const char *template;
1.48 nicm 238: char *right;
239: size_t rightlen;
240:
1.137 nicm 241: style_apply_update(gc, s->options, "status-right-style");
1.48 nicm 242:
1.137 nicm 243: template = options_get_string(s->options, "status-right");
1.123 nicm 244: right = status_replace(c, NULL, template, t);
1.48 nicm 245:
1.137 nicm 246: *size = options_get_number(s->options, "status-right-length");
1.139 nicm 247: rightlen = screen_write_cstrlen("%s", right);
1.48 nicm 248: if (rightlen < *size)
249: *size = rightlen;
250: return (right);
251: }
252:
1.125 nicm 253: /* Get window at window list position. */
254: struct window *
255: status_get_window_at(struct client *c, u_int x)
1.73 nicm 256: {
257: struct session *s = c->session;
258: struct winlink *wl;
1.115 nicm 259: struct options *oo;
260: size_t len;
1.73 nicm 261:
1.88 nicm 262: x += c->wlmouse;
1.73 nicm 263: RB_FOREACH(wl, winlinks, &s->windows) {
1.137 nicm 264: oo = wl->window->options;
1.125 nicm 265: len = strlen(options_get_string(oo, "window-status-separator"));
1.115 nicm 266:
1.125 nicm 267: if (x < wl->status_width)
268: return (wl->window);
1.115 nicm 269: x -= wl->status_width + len;
1.73 nicm 270: }
1.125 nicm 271: return (NULL);
1.73 nicm 272: }
273:
1.1 nicm 274: /* Draw status for client on the last lines of given context. */
275: int
276: status_redraw(struct client *c)
277: {
1.48 nicm 278: struct screen_write_ctx ctx;
279: struct session *s = c->session;
280: struct winlink *wl;
281: struct screen old_status, window_list;
282: struct grid_cell stdgc, lgc, rgc, gc;
1.91 nicm 283: struct options *oo;
1.48 nicm 284: time_t t;
1.91 nicm 285: char *left, *right, *sep;
1.48 nicm 286: u_int offset, needed;
287: u_int wlstart, wlwidth, wlavailable, wloffset, wlsize;
1.91 nicm 288: size_t llen, rlen, seplen;
1.139 nicm 289: int larrow, rarrow;
1.1 nicm 290:
1.49 nicm 291: /* No status line? */
1.137 nicm 292: if (c->tty.sy == 0 || !options_get_number(s->options, "status"))
1.7 nicm 293: return (1);
1.48 nicm 294: left = right = NULL;
1.7 nicm 295: larrow = rarrow = 0;
1.1 nicm 296:
1.133 nicm 297: /* Store current time. */
298: t = time(NULL);
1.48 nicm 299:
300: /* Set up default colour. */
1.137 nicm 301: style_apply(&stdgc, s->options, "status-style");
1.1 nicm 302:
1.48 nicm 303: /* Create the target screen. */
304: memcpy(&old_status, &c->status, sizeof old_status);
305: screen_init(&c->status, c->tty.sx, 1, 0);
306: screen_write_start(&ctx, NULL, &c->status);
307: for (offset = 0; offset < c->tty.sx; offset++)
308: screen_write_putc(&ctx, &stdgc, ' ');
309: screen_write_stop(&ctx);
310:
311: /* If the height is one line, blank status line. */
312: if (c->tty.sy <= 1)
313: goto out;
1.1 nicm 314:
1.48 nicm 315: /* Work out left and right strings. */
316: memcpy(&lgc, &stdgc, sizeof lgc);
1.139 nicm 317: left = status_redraw_get_left(c, t, &lgc, &llen);
1.48 nicm 318: memcpy(&rgc, &stdgc, sizeof rgc);
1.139 nicm 319: right = status_redraw_get_right(c, t, &rgc, &rlen);
1.1 nicm 320:
321: /*
1.48 nicm 322: * Figure out how much space we have for the window list. If there
323: * isn't enough space, just show a blank status line.
1.1 nicm 324: */
1.55 nicm 325: needed = 0;
1.1 nicm 326: if (llen != 0)
1.118 nicm 327: needed += llen;
1.1 nicm 328: if (rlen != 0)
1.118 nicm 329: needed += rlen;
1.48 nicm 330: if (c->tty.sx == 0 || c->tty.sx <= needed)
331: goto out;
332: wlavailable = c->tty.sx - needed;
1.1 nicm 333:
1.48 nicm 334: /* Calculate the total size needed for the window list. */
335: wlstart = wloffset = wlwidth = 0;
1.1 nicm 336: RB_FOREACH(wl, winlinks, &s->windows) {
1.94 nicm 337: free(wl->status_text);
1.48 nicm 338: memcpy(&wl->status_cell, &stdgc, sizeof wl->status_cell);
339: wl->status_text = status_print(c, wl, t, &wl->status_cell);
1.139 nicm 340: wl->status_width = screen_write_cstrlen("%s", wl->status_text);
1.48 nicm 341:
1.1 nicm 342: if (wl == s->curw)
1.48 nicm 343: wloffset = wlwidth;
1.91 nicm 344:
1.137 nicm 345: oo = wl->window->options;
1.91 nicm 346: sep = options_get_string(oo, "window-status-separator");
1.139 nicm 347: seplen = screen_write_strlen("%s", sep);
1.91 nicm 348: wlwidth += wl->status_width + seplen;
1.48 nicm 349: }
350:
351: /* Create a new screen for the window list. */
352: screen_init(&window_list, wlwidth, 1, 0);
353:
354: /* And draw the window list into it. */
355: screen_write_start(&ctx, NULL, &window_list);
356: RB_FOREACH(wl, winlinks, &s->windows) {
1.139 nicm 357: screen_write_cnputs(&ctx, -1, &wl->status_cell, "%s",
358: wl->status_text);
1.91 nicm 359:
1.137 nicm 360: oo = wl->window->options;
1.91 nicm 361: sep = options_get_string(oo, "window-status-separator");
1.139 nicm 362: screen_write_nputs(&ctx, -1, &stdgc, "%s", sep);
1.1 nicm 363: }
1.48 nicm 364: screen_write_stop(&ctx);
1.1 nicm 365:
1.48 nicm 366: /* If there is enough space for the total width, skip to draw now. */
367: if (wlwidth <= wlavailable)
1.1 nicm 368: goto draw;
369:
370: /* Find size of current window text. */
1.48 nicm 371: wlsize = s->curw->status_width;
1.1 nicm 372:
373: /*
1.48 nicm 374: * If the current window is already on screen, good to draw from the
1.1 nicm 375: * start and just leave off the end.
376: */
1.48 nicm 377: if (wloffset + wlsize < wlavailable) {
378: if (wlavailable > 0) {
379: rarrow = 1;
380: wlavailable--;
381: }
382: wlwidth = wlavailable;
383: } else {
384: /*
385: * Work out how many characters we need to omit from the
386: * start. There are wlavailable characters to fill, and
387: * wloffset + wlsize must be the last. So, the start character
388: * is wloffset + wlsize - wlavailable.
389: */
390: if (wlavailable > 0) {
391: larrow = 1;
392: wlavailable--;
393: }
1.55 nicm 394:
1.48 nicm 395: wlstart = wloffset + wlsize - wlavailable;
396: if (wlavailable > 0 && wlwidth > wlstart + wlavailable + 1) {
1.1 nicm 397: rarrow = 1;
1.48 nicm 398: wlstart++;
399: wlavailable--;
1.1 nicm 400: }
1.48 nicm 401: wlwidth = wlavailable;
402: }
1.1 nicm 403:
1.48 nicm 404: /* Bail if anything is now too small too. */
405: if (wlwidth == 0 || wlavailable == 0) {
406: screen_free(&window_list);
407: goto out;
1.1 nicm 408: }
409:
410: /*
1.48 nicm 411: * Now the start position is known, work out the state of the left and
412: * right arrows.
1.1 nicm 413: */
414: offset = 0;
415: RB_FOREACH(wl, winlinks, &s->windows) {
1.63 nicm 416: if (wl->flags & WINLINK_ALERTFLAGS &&
417: larrow == 1 && offset < wlstart)
418: larrow = -1;
1.1 nicm 419:
1.48 nicm 420: offset += wl->status_width;
1.1 nicm 421:
1.63 nicm 422: if (wl->flags & WINLINK_ALERTFLAGS &&
423: rarrow == 1 && offset > wlstart + wlwidth)
424: rarrow = -1;
1.1 nicm 425: }
426:
1.48 nicm 427: draw:
1.55 nicm 428: /* Begin drawing. */
1.48 nicm 429: screen_write_start(&ctx, NULL, &c->status);
1.1 nicm 430:
1.48 nicm 431: /* Draw the left string and arrow. */
432: screen_write_cursormove(&ctx, 0, 0);
1.118 nicm 433: if (llen != 0)
1.139 nicm 434: screen_write_cnputs(&ctx, llen, &lgc, "%s", left);
1.1 nicm 435: if (larrow != 0) {
436: memcpy(&gc, &stdgc, sizeof gc);
437: if (larrow == -1)
438: gc.attr ^= GRID_ATTR_REVERSE;
439: screen_write_putc(&ctx, &gc, '<');
440: }
1.48 nicm 441:
442: /* Draw the right string and arrow. */
1.1 nicm 443: if (rarrow != 0) {
1.118 nicm 444: screen_write_cursormove(&ctx, c->tty.sx - rlen - 1, 0);
1.1 nicm 445: memcpy(&gc, &stdgc, sizeof gc);
446: if (rarrow == -1)
447: gc.attr ^= GRID_ATTR_REVERSE;
448: screen_write_putc(&ctx, &gc, '>');
1.48 nicm 449: } else
1.118 nicm 450: screen_write_cursormove(&ctx, c->tty.sx - rlen, 0);
451: if (rlen != 0)
1.139 nicm 452: screen_write_cnputs(&ctx, rlen, &rgc, "%s", right);
1.1 nicm 453:
1.48 nicm 454: /* Figure out the offset for the window list. */
1.58 nicm 455: if (llen != 0)
1.118 nicm 456: wloffset = llen;
1.58 nicm 457: else
458: wloffset = 0;
1.48 nicm 459: if (wlwidth < wlavailable) {
1.137 nicm 460: switch (options_get_number(s->options, "status-justify")) {
1.119 sthen 461: case 1: /* centred */
1.58 nicm 462: wloffset += (wlavailable - wlwidth) / 2;
1.48 nicm 463: break;
464: case 2: /* right */
1.58 nicm 465: wloffset += (wlavailable - wlwidth);
1.48 nicm 466: break;
467: }
468: }
469: if (larrow != 0)
470: wloffset++;
471:
472: /* Copy the window list. */
1.88 nicm 473: c->wlmouse = -wloffset + wlstart;
1.48 nicm 474: screen_write_cursormove(&ctx, wloffset, 0);
475: screen_write_copy(&ctx, &window_list, wlstart, 0, wlwidth, 1);
1.55 nicm 476: screen_free(&window_list);
1.1 nicm 477:
1.48 nicm 478: screen_write_stop(&ctx);
1.1 nicm 479:
480: out:
1.94 nicm 481: free(left);
482: free(right);
1.1 nicm 483:
484: if (grid_compare(c->status.grid, old_status.grid) == 0) {
485: screen_free(&old_status);
486: return (0);
487: }
488: screen_free(&old_status);
489: return (1);
490: }
491:
1.46 nicm 492: /* Replace special sequences in fmt. */
493: char *
1.123 nicm 494: status_replace(struct client *c, struct winlink *wl, const char *fmt, time_t t)
1.46 nicm 495: {
1.96 nicm 496: struct format_tree *ft;
1.129 nicm 497: char *expanded;
1.47 nicm 498:
1.93 nicm 499: if (fmt == NULL)
500: return (xstrdup(""));
501:
1.135 nicm 502: if (c->flags & CLIENT_STATUSFORCE)
1.145 nicm 503: ft = format_create(NULL, FORMAT_STATUS|FORMAT_FORCE);
1.135 nicm 504: else
1.145 nicm 505: ft = format_create(NULL, FORMAT_STATUS);
1.129 nicm 506: format_defaults(ft, c, NULL, wl, NULL);
1.1 nicm 507:
1.129 nicm 508: expanded = format_expand_time(ft, fmt, t);
1.46 nicm 509:
1.99 nicm 510: format_free(ft);
511: return (expanded);
1.1 nicm 512: }
513:
1.46 nicm 514: /* Return winlink status line entry and adjust gc as necessary. */
1.1 nicm 515: char *
1.120 nicm 516: status_print(struct client *c, struct winlink *wl, time_t t,
517: struct grid_cell *gc)
1.1 nicm 518: {
1.137 nicm 519: struct options *oo = wl->window->options;
1.47 nicm 520: struct session *s = c->session;
521: const char *fmt;
522: char *text;
1.1 nicm 523:
1.108 nicm 524: style_apply_update(gc, oo, "window-status-style");
1.47 nicm 525: fmt = options_get_string(oo, "window-status-format");
1.14 nicm 526: if (wl == s->curw) {
1.108 nicm 527: style_apply_update(gc, oo, "window-status-current-style");
1.47 nicm 528: fmt = options_get_string(oo, "window-status-current-format");
1.95 nicm 529: }
1.108 nicm 530: if (wl == TAILQ_FIRST(&s->lastw))
531: style_apply_update(gc, oo, "window-status-last-style");
532:
533: if (wl->flags & WINLINK_BELL)
534: style_apply_update(gc, oo, "window-status-bell-style");
535: else if (wl->flags & (WINLINK_ACTIVITY|WINLINK_SILENCE))
536: style_apply_update(gc, oo, "window-status-activity-style");
1.1 nicm 537:
1.123 nicm 538: text = status_replace(c, wl, fmt, t);
1.1 nicm 539: return (text);
540: }
541:
1.46 nicm 542: /* Set a status line message. */
1.117 nicm 543: void
1.10 nicm 544: status_message_set(struct client *c, const char *fmt, ...)
1.1 nicm 545: {
1.44 nicm 546: struct timeval tv;
1.127 nicm 547: struct message_entry *msg, *msg1;
1.44 nicm 548: va_list ap;
549: int delay;
1.147 ! nicm 550: u_int limit;
1.127 nicm 551:
1.137 nicm 552: limit = options_get_number(global_options, "message-limit");
1.1 nicm 553:
1.12 nicm 554: status_prompt_clear(c);
555: status_message_clear(c);
556:
1.28 nicm 557: va_start(ap, fmt);
558: xvasprintf(&c->message_string, fmt, ap);
559: va_end(ap);
560:
1.127 nicm 561: msg = xcalloc(1, sizeof *msg);
1.44 nicm 562: msg->msg_time = time(NULL);
1.127 nicm 563: msg->msg_num = c->message_next++;
1.44 nicm 564: msg->msg = xstrdup(c->message_string);
1.127 nicm 565: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
1.44 nicm 566:
1.127 nicm 567: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.147 ! nicm 568: if (msg->msg_num + limit >= c->message_next)
! 569: break;
1.127 nicm 570: free(msg->msg);
571: TAILQ_REMOVE(&c->message_log, msg, entry);
572: free(msg);
1.44 nicm 573: }
574:
1.137 nicm 575: delay = options_get_number(c->session->options, "display-time");
1.143 tim 576: if (delay > 0) {
577: tv.tv_sec = delay / 1000;
578: tv.tv_usec = (delay % 1000) * 1000L;
579:
580: if (event_initialized(&c->message_timer))
581: evtimer_del(&c->message_timer);
582: evtimer_set(&c->message_timer, status_message_callback, c);
583: evtimer_add(&c->message_timer, &tv);
584: }
1.1 nicm 585:
586: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
587: c->flags |= CLIENT_STATUS;
588: }
589:
1.46 nicm 590: /* Clear status line message. */
1.1 nicm 591: void
592: status_message_clear(struct client *c)
593: {
594: if (c->message_string == NULL)
595: return;
596:
1.94 nicm 597: free(c->message_string);
1.1 nicm 598: c->message_string = NULL;
599:
600: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 601: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 602:
603: screen_reinit(&c->status);
1.42 nicm 604: }
605:
1.46 nicm 606: /* Clear status line message after timer expires. */
1.42 nicm 607: void
1.141 nicm 608: status_message_callback(__unused int fd, __unused short event, void *data)
1.42 nicm 609: {
610: struct client *c = data;
611:
612: status_message_clear(c);
1.1 nicm 613: }
614:
615: /* Draw client message on status line of present else on last line. */
616: int
617: status_message_redraw(struct client *c)
618: {
619: struct screen_write_ctx ctx;
620: struct session *s = c->session;
621: struct screen old_status;
622: size_t len;
623: struct grid_cell gc;
624:
625: if (c->tty.sx == 0 || c->tty.sy == 0)
626: return (0);
627: memcpy(&old_status, &c->status, sizeof old_status);
628: screen_init(&c->status, c->tty.sx, 1, 0);
629:
1.139 nicm 630: len = screen_write_strlen("%s", c->message_string);
1.1 nicm 631: if (len > c->tty.sx)
632: len = c->tty.sx;
633:
1.137 nicm 634: style_apply(&gc, s->options, "message-style");
1.1 nicm 635:
636: screen_write_start(&ctx, NULL, &c->status);
637:
638: screen_write_cursormove(&ctx, 0, 0);
1.139 nicm 639: screen_write_nputs(&ctx, len, &gc, "%s", c->message_string);
1.1 nicm 640: for (; len < c->tty.sx; len++)
641: screen_write_putc(&ctx, &gc, ' ');
642:
643: screen_write_stop(&ctx);
644:
645: if (grid_compare(c->status.grid, old_status.grid) == 0) {
646: screen_free(&old_status);
647: return (0);
648: }
649: screen_free(&old_status);
650: return (1);
651: }
652:
1.46 nicm 653: /* Enable status line prompt. */
1.1 nicm 654: void
1.76 nicm 655: status_prompt_set(struct client *c, const char *msg, const char *input,
1.12 nicm 656: int (*callbackfn)(void *, const char *), void (*freefn)(void *),
657: void *data, int flags)
1.1 nicm 658: {
1.122 nicm 659: struct format_tree *ft;
660: int keys;
661: time_t t;
662:
1.145 nicm 663: ft = format_create(NULL, 0);
1.122 nicm 664: format_defaults(ft, c, NULL, NULL, NULL);
665: t = time(NULL);
1.20 nicm 666:
1.12 nicm 667: status_message_clear(c);
668: status_prompt_clear(c);
669:
1.124 nicm 670: c->prompt_string = format_expand_time(ft, msg, t);
1.1 nicm 671:
1.124 nicm 672: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 673: c->prompt_index = strlen(c->prompt_buffer);
1.1 nicm 674:
1.12 nicm 675: c->prompt_callbackfn = callbackfn;
676: c->prompt_freefn = freefn;
1.1 nicm 677: c->prompt_data = data;
678:
679: c->prompt_hindex = 0;
680:
681: c->prompt_flags = flags;
682:
1.137 nicm 683: keys = options_get_number(c->session->options, "status-keys");
1.20 nicm 684: if (keys == MODEKEY_EMACS)
1.21 nicm 685: mode_key_init(&c->prompt_mdata, &mode_key_tree_emacs_edit);
1.20 nicm 686: else
1.21 nicm 687: mode_key_init(&c->prompt_mdata, &mode_key_tree_vi_edit);
1.1 nicm 688:
689: c->tty.flags |= (TTY_NOCURSOR|TTY_FREEZE);
690: c->flags |= CLIENT_STATUS;
1.122 nicm 691:
692: format_free(ft);
1.1 nicm 693: }
694:
1.46 nicm 695: /* Remove status line prompt. */
1.1 nicm 696: void
697: status_prompt_clear(struct client *c)
698: {
1.55 nicm 699: if (c->prompt_string == NULL)
1.1 nicm 700: return;
701:
1.12 nicm 702: if (c->prompt_freefn != NULL && c->prompt_data != NULL)
703: c->prompt_freefn(c->prompt_data);
1.1 nicm 704:
1.94 nicm 705: free(c->prompt_string);
1.1 nicm 706: c->prompt_string = NULL;
707:
1.94 nicm 708: free(c->prompt_buffer);
1.1 nicm 709: c->prompt_buffer = NULL;
710:
711: c->tty.flags &= ~(TTY_NOCURSOR|TTY_FREEZE);
1.12 nicm 712: c->flags |= CLIENT_REDRAW; /* screen was frozen and may have changed */
1.7 nicm 713:
714: screen_reinit(&c->status);
1.27 nicm 715: }
716:
1.46 nicm 717: /* Update status line prompt with a new prompt string. */
1.27 nicm 718: void
1.76 nicm 719: status_prompt_update(struct client *c, const char *msg, const char *input)
1.27 nicm 720: {
1.122 nicm 721: struct format_tree *ft;
722: time_t t;
723:
1.145 nicm 724: ft = format_create(NULL, 0);
1.122 nicm 725: format_defaults(ft, c, NULL, NULL, NULL);
726: t = time(NULL);
727:
1.94 nicm 728: free(c->prompt_string);
1.124 nicm 729: c->prompt_string = format_expand_time(ft, msg, t);
1.27 nicm 730:
1.94 nicm 731: free(c->prompt_buffer);
1.124 nicm 732: c->prompt_buffer = format_expand_time(ft, input, t);
1.76 nicm 733: c->prompt_index = strlen(c->prompt_buffer);
1.27 nicm 734:
735: c->prompt_hindex = 0;
736:
737: c->flags |= CLIENT_STATUS;
1.122 nicm 738:
739: format_free(ft);
1.1 nicm 740: }
741:
742: /* Draw client prompt on status line of present else on last line. */
743: int
744: status_prompt_redraw(struct client *c)
745: {
1.51 nicm 746: struct screen_write_ctx ctx;
1.1 nicm 747: struct session *s = c->session;
748: struct screen old_status;
1.29 nicm 749: size_t i, size, left, len, off;
1.140 nicm 750: struct grid_cell gc;
1.1 nicm 751:
752: if (c->tty.sx == 0 || c->tty.sy == 0)
753: return (0);
754: memcpy(&old_status, &c->status, sizeof old_status);
755: screen_init(&c->status, c->tty.sx, 1, 0);
756:
1.139 nicm 757: len = screen_write_strlen("%s", c->prompt_string);
1.1 nicm 758: if (len > c->tty.sx)
759: len = c->tty.sx;
1.51 nicm 760: off = 0;
1.1 nicm 761:
1.79 nicm 762: /* Change colours for command mode. */
1.108 nicm 763: if (c->prompt_mdata.mode == 1)
1.137 nicm 764: style_apply(&gc, s->options, "message-command-style");
1.108 nicm 765: else
1.137 nicm 766: style_apply(&gc, s->options, "message-style");
1.1 nicm 767:
768: screen_write_start(&ctx, NULL, &c->status);
769:
770: screen_write_cursormove(&ctx, 0, 0);
1.139 nicm 771: screen_write_nputs(&ctx, len, &gc, "%s", c->prompt_string);
1.1 nicm 772:
773: left = c->tty.sx - len;
774: if (left != 0) {
1.139 nicm 775: size = screen_write_strlen("%s", c->prompt_buffer);
1.51 nicm 776: if (c->prompt_index >= left) {
1.17 nicm 777: off = c->prompt_index - left + 1;
1.51 nicm 778: if (c->prompt_index == size)
1.1 nicm 779: left--;
780: size = left;
781: }
1.139 nicm 782: screen_write_nputs(&ctx, left, &gc, "%s", c->prompt_buffer +
783: off);
1.1 nicm 784:
1.55 nicm 785: for (i = len + size; i < c->tty.sx; i++)
786: screen_write_putc(&ctx, &gc, ' ');
1.1 nicm 787: }
788:
789: screen_write_stop(&ctx);
1.51 nicm 790:
791: /* Apply fake cursor. */
792: off = len + c->prompt_index - off;
1.140 nicm 793: grid_view_get_cell(c->status.grid, off, 0, &gc);
794: gc.attr ^= GRID_ATTR_REVERSE;
795: grid_view_set_cell(c->status.grid, off, 0, &gc);
1.1 nicm 796:
797: if (grid_compare(c->status.grid, old_status.grid) == 0) {
798: screen_free(&old_status);
799: return (0);
800: }
801: screen_free(&old_status);
802: return (1);
803: }
804:
805: /* Handle keys in prompt. */
806: void
1.138 nicm 807: status_prompt_key(struct client *c, key_code key)
1.1 nicm 808: {
1.81 nicm 809: struct session *sess = c->session;
1.137 nicm 810: struct options *oo = sess->options;
1.1 nicm 811: struct paste_buffer *pb;
1.81 nicm 812: char *s, *first, *last, word[64], swapc;
1.134 nicm 813: const char *histstr, *bufdata, *wsep = NULL;
1.53 nicm 814: u_char ch;
1.134 nicm 815: size_t size, n, off, idx, bufsize;
1.1 nicm 816:
817: size = strlen(c->prompt_buffer);
1.101 nicm 818: switch (mode_key_lookup(&c->prompt_mdata, key, NULL)) {
1.20 nicm 819: case MODEKEYEDIT_CURSORLEFT:
1.1 nicm 820: if (c->prompt_index > 0) {
821: c->prompt_index--;
822: c->flags |= CLIENT_STATUS;
823: }
824: break;
1.79 nicm 825: case MODEKEYEDIT_SWITCHMODE:
826: c->flags |= CLIENT_STATUS;
827: break;
1.20 nicm 828: case MODEKEYEDIT_SWITCHMODEAPPEND:
1.79 nicm 829: c->flags |= CLIENT_STATUS;
830: /* FALLTHROUGH */
1.20 nicm 831: case MODEKEYEDIT_CURSORRIGHT:
1.1 nicm 832: if (c->prompt_index < size) {
833: c->prompt_index++;
834: c->flags |= CLIENT_STATUS;
835: }
836: break;
1.89 nicm 837: case MODEKEYEDIT_SWITCHMODEBEGINLINE:
838: c->flags |= CLIENT_STATUS;
839: /* FALLTHROUGH */
1.20 nicm 840: case MODEKEYEDIT_STARTOFLINE:
1.1 nicm 841: if (c->prompt_index != 0) {
842: c->prompt_index = 0;
843: c->flags |= CLIENT_STATUS;
844: }
845: break;
1.89 nicm 846: case MODEKEYEDIT_SWITCHMODEAPPENDLINE:
847: c->flags |= CLIENT_STATUS;
848: /* FALLTHROUGH */
1.20 nicm 849: case MODEKEYEDIT_ENDOFLINE:
1.1 nicm 850: if (c->prompt_index != size) {
851: c->prompt_index = size;
852: c->flags |= CLIENT_STATUS;
853: }
854: break;
1.20 nicm 855: case MODEKEYEDIT_COMPLETE:
1.1 nicm 856: if (*c->prompt_buffer == '\0')
857: break;
858:
859: idx = c->prompt_index;
860: if (idx != 0)
861: idx--;
862:
863: /* Find the word we are in. */
864: first = c->prompt_buffer + idx;
865: while (first > c->prompt_buffer && *first != ' ')
866: first--;
867: while (*first == ' ')
868: first++;
869: last = c->prompt_buffer + idx;
870: while (*last != '\0' && *last != ' ')
871: last++;
872: while (*last == ' ')
873: last--;
874: if (*last != '\0')
875: last++;
876: if (last <= first ||
877: ((size_t) (last - first)) > (sizeof word) - 1)
878: break;
879: memcpy(word, first, last - first);
880: word[last - first] = '\0';
881:
882: /* And try to complete it. */
1.128 nicm 883: if ((s = status_prompt_complete(sess, word)) == NULL)
1.1 nicm 884: break;
885:
886: /* Trim out word. */
887: n = size - (last - c->prompt_buffer) + 1; /* with \0 */
888: memmove(first, last, n);
889: size -= last - first;
890:
891: /* Insert the new word. */
1.55 nicm 892: size += strlen(s);
1.1 nicm 893: off = first - c->prompt_buffer;
1.116 nicm 894: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 1);
1.1 nicm 895: first = c->prompt_buffer + off;
1.55 nicm 896: memmove(first + strlen(s), first, n);
897: memcpy(first, s, strlen(s));
1.1 nicm 898:
899: c->prompt_index = (first - c->prompt_buffer) + strlen(s);
1.94 nicm 900: free(s);
1.1 nicm 901:
902: c->flags |= CLIENT_STATUS;
903: break;
1.20 nicm 904: case MODEKEYEDIT_BACKSPACE:
1.1 nicm 905: if (c->prompt_index != 0) {
906: if (c->prompt_index == size)
907: c->prompt_buffer[--c->prompt_index] = '\0';
908: else {
909: memmove(c->prompt_buffer + c->prompt_index - 1,
910: c->prompt_buffer + c->prompt_index,
911: size + 1 - c->prompt_index);
912: c->prompt_index--;
913: }
914: c->flags |= CLIENT_STATUS;
915: }
916: break;
1.55 nicm 917: case MODEKEYEDIT_DELETE:
1.105 nicm 918: case MODEKEYEDIT_SWITCHMODESUBSTITUTE:
1.1 nicm 919: if (c->prompt_index != size) {
920: memmove(c->prompt_buffer + c->prompt_index,
921: c->prompt_buffer + c->prompt_index + 1,
922: size + 1 - c->prompt_index);
1.18 nicm 923: c->flags |= CLIENT_STATUS;
924: }
1.26 nicm 925: break;
926: case MODEKEYEDIT_DELETELINE:
1.105 nicm 927: case MODEKEYEDIT_SWITCHMODESUBSTITUTELINE:
1.26 nicm 928: *c->prompt_buffer = '\0';
929: c->prompt_index = 0;
930: c->flags |= CLIENT_STATUS;
1.18 nicm 931: break;
1.20 nicm 932: case MODEKEYEDIT_DELETETOENDOFLINE:
1.105 nicm 933: case MODEKEYEDIT_SWITCHMODECHANGELINE:
1.18 nicm 934: if (c->prompt_index < size) {
935: c->prompt_buffer[c->prompt_index] = '\0';
1.1 nicm 936: c->flags |= CLIENT_STATUS;
937: }
938: break;
1.81 nicm 939: case MODEKEYEDIT_DELETEWORD:
940: wsep = options_get_string(oo, "word-separators");
941: idx = c->prompt_index;
942:
943: /* Find a non-separator. */
944: while (idx != 0) {
945: idx--;
946: if (!strchr(wsep, c->prompt_buffer[idx]))
947: break;
948: }
949:
950: /* Find the separator at the beginning of the word. */
951: while (idx != 0) {
952: idx--;
953: if (strchr(wsep, c->prompt_buffer[idx])) {
954: /* Go back to the word. */
955: idx++;
956: break;
957: }
958: }
959:
960: memmove(c->prompt_buffer + idx,
961: c->prompt_buffer + c->prompt_index,
962: size + 1 - c->prompt_index);
963: memset(c->prompt_buffer + size - (c->prompt_index - idx),
964: '\0', c->prompt_index - idx);
965: c->prompt_index = idx;
966: c->flags |= CLIENT_STATUS;
967: break;
1.83 nicm 968: case MODEKEYEDIT_NEXTSPACE:
969: wsep = " ";
970: /* FALLTHROUGH */
1.81 nicm 971: case MODEKEYEDIT_NEXTWORD:
1.83 nicm 972: if (wsep == NULL)
973: wsep = options_get_string(oo, "word-separators");
1.81 nicm 974:
975: /* Find a separator. */
976: while (c->prompt_index != size) {
977: c->prompt_index++;
978: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
979: break;
980: }
981:
982: /* Find the word right after the separation. */
983: while (c->prompt_index != size) {
984: c->prompt_index++;
985: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
986: break;
987: }
988:
989: c->flags |= CLIENT_STATUS;
990: break;
1.83 nicm 991: case MODEKEYEDIT_NEXTSPACEEND:
992: wsep = " ";
993: /* FALLTHROUGH */
1.81 nicm 994: case MODEKEYEDIT_NEXTWORDEND:
1.83 nicm 995: if (wsep == NULL)
996: wsep = options_get_string(oo, "word-separators");
1.81 nicm 997:
998: /* Find a word. */
999: while (c->prompt_index != size) {
1000: c->prompt_index++;
1001: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1002: break;
1003: }
1004:
1005: /* Find the separator at the end of the word. */
1006: while (c->prompt_index != size) {
1007: c->prompt_index++;
1.82 nicm 1008: if (strchr(wsep, c->prompt_buffer[c->prompt_index]))
1.81 nicm 1009: break;
1010: }
1.106 nicm 1011:
1012: /* Back up to the end-of-word like vi. */
1013: if (options_get_number(oo, "status-keys") == MODEKEY_VI &&
1014: c->prompt_index != 0)
1015: c->prompt_index--;
1.81 nicm 1016:
1017: c->flags |= CLIENT_STATUS;
1018: break;
1.83 nicm 1019: case MODEKEYEDIT_PREVIOUSSPACE:
1020: wsep = " ";
1021: /* FALLTHROUGH */
1.81 nicm 1022: case MODEKEYEDIT_PREVIOUSWORD:
1.83 nicm 1023: if (wsep == NULL)
1024: wsep = options_get_string(oo, "word-separators");
1.81 nicm 1025:
1026: /* Find a non-separator. */
1027: while (c->prompt_index != 0) {
1028: c->prompt_index--;
1029: if (!strchr(wsep, c->prompt_buffer[c->prompt_index]))
1030: break;
1031: }
1032:
1033: /* Find the separator at the beginning of the word. */
1034: while (c->prompt_index != 0) {
1035: c->prompt_index--;
1036: if (strchr(wsep, c->prompt_buffer[c->prompt_index])) {
1037: /* Go back to the word. */
1038: c->prompt_index++;
1039: break;
1040: }
1041: }
1042:
1043: c->flags |= CLIENT_STATUS;
1044: break;
1.20 nicm 1045: case MODEKEYEDIT_HISTORYUP:
1.66 nicm 1046: histstr = status_prompt_up_history(&c->prompt_hindex);
1047: if (histstr == NULL)
1.1 nicm 1048: break;
1.94 nicm 1049: free(c->prompt_buffer);
1.66 nicm 1050: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1051: c->prompt_index = strlen(c->prompt_buffer);
1052: c->flags |= CLIENT_STATUS;
1053: break;
1.20 nicm 1054: case MODEKEYEDIT_HISTORYDOWN:
1.66 nicm 1055: histstr = status_prompt_down_history(&c->prompt_hindex);
1056: if (histstr == NULL)
1.65 nicm 1057: break;
1.94 nicm 1058: free(c->prompt_buffer);
1.66 nicm 1059: c->prompt_buffer = xstrdup(histstr);
1.1 nicm 1060: c->prompt_index = strlen(c->prompt_buffer);
1061: c->flags |= CLIENT_STATUS;
1062: break;
1.20 nicm 1063: case MODEKEYEDIT_PASTE:
1.134 nicm 1064: if ((pb = paste_get_top(NULL)) == NULL)
1.1 nicm 1065: break;
1.134 nicm 1066: bufdata = paste_buffer_data(pb, &bufsize);
1067: for (n = 0; n < bufsize; n++) {
1068: ch = (u_char)bufdata[n];
1.53 nicm 1069: if (ch < 32 || ch == 127)
1.32 nicm 1070: break;
1071: }
1.1 nicm 1072:
1.116 nicm 1073: c->prompt_buffer = xrealloc(c->prompt_buffer, size + n + 1);
1.1 nicm 1074: if (c->prompt_index == size) {
1.134 nicm 1075: memcpy(c->prompt_buffer + c->prompt_index, bufdata, n);
1.1 nicm 1076: c->prompt_index += n;
1077: c->prompt_buffer[c->prompt_index] = '\0';
1078: } else {
1079: memmove(c->prompt_buffer + c->prompt_index + n,
1080: c->prompt_buffer + c->prompt_index,
1081: size + 1 - c->prompt_index);
1.134 nicm 1082: memcpy(c->prompt_buffer + c->prompt_index, bufdata, n);
1.1 nicm 1083: c->prompt_index += n;
1084: }
1085:
1086: c->flags |= CLIENT_STATUS;
1.30 nicm 1087: break;
1088: case MODEKEYEDIT_TRANSPOSECHARS:
1089: idx = c->prompt_index;
1090: if (idx < size)
1091: idx++;
1092: if (idx >= 2) {
1093: swapc = c->prompt_buffer[idx - 2];
1094: c->prompt_buffer[idx - 2] = c->prompt_buffer[idx - 1];
1095: c->prompt_buffer[idx - 1] = swapc;
1096: c->prompt_index = idx;
1097: c->flags |= CLIENT_STATUS;
1098: }
1.1 nicm 1099: break;
1.55 nicm 1100: case MODEKEYEDIT_ENTER:
1.25 nicm 1101: if (*c->prompt_buffer != '\0')
1.65 nicm 1102: status_prompt_add_history(c->prompt_buffer);
1.25 nicm 1103: if (c->prompt_callbackfn(c->prompt_data, c->prompt_buffer) == 0)
1104: status_prompt_clear(c);
1105: break;
1.20 nicm 1106: case MODEKEYEDIT_CANCEL:
1.12 nicm 1107: if (c->prompt_callbackfn(c->prompt_data, NULL) == 0)
1.1 nicm 1108: status_prompt_clear(c);
1109: break;
1.20 nicm 1110: case MODEKEY_OTHER:
1.138 nicm 1111: if (key <= 0x1f || key >= 0x7f)
1.1 nicm 1112: break;
1.116 nicm 1113: c->prompt_buffer = xrealloc(c->prompt_buffer, size + 2);
1.1 nicm 1114:
1115: if (c->prompt_index == size) {
1116: c->prompt_buffer[c->prompt_index++] = key;
1117: c->prompt_buffer[c->prompt_index] = '\0';
1118: } else {
1119: memmove(c->prompt_buffer + c->prompt_index + 1,
1120: c->prompt_buffer + c->prompt_index,
1121: size + 1 - c->prompt_index);
1122: c->prompt_buffer[c->prompt_index++] = key;
1123: }
1124:
1125: if (c->prompt_flags & PROMPT_SINGLE) {
1.146 nicm 1126: if (c->prompt_callbackfn(c->prompt_data,
1127: c->prompt_buffer) == 0)
1.1 nicm 1128: status_prompt_clear(c);
1129: }
1130:
1131: c->flags |= CLIENT_STATUS;
1132: break;
1133: default:
1134: break;
1135: }
1136: }
1137:
1.65 nicm 1138: /* Get previous line from the history. */
1139: const char *
1140: status_prompt_up_history(u_int *idx)
1141: {
1142: /*
1.128 nicm 1143: * History runs from 0 to size - 1. Index is from 0 to size. Zero is
1144: * empty.
1.65 nicm 1145: */
1146:
1.128 nicm 1147: if (status_prompt_hsize == 0 || *idx == status_prompt_hsize)
1.65 nicm 1148: return (NULL);
1149: (*idx)++;
1.128 nicm 1150: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1151: }
1152:
1153: /* Get next line from the history. */
1154: const char *
1155: status_prompt_down_history(u_int *idx)
1156: {
1.128 nicm 1157: if (status_prompt_hsize == 0 || *idx == 0)
1.65 nicm 1158: return ("");
1159: (*idx)--;
1160: if (*idx == 0)
1161: return ("");
1.128 nicm 1162: return (status_prompt_hlist[status_prompt_hsize - *idx]);
1.65 nicm 1163: }
1164:
1.1 nicm 1165: /* Add line to the history. */
1166: void
1.65 nicm 1167: status_prompt_add_history(const char *line)
1.1 nicm 1168: {
1.128 nicm 1169: size_t size;
1.65 nicm 1170:
1.128 nicm 1171: if (status_prompt_hsize > 0 &&
1172: strcmp(status_prompt_hlist[status_prompt_hsize - 1], line) == 0)
1.1 nicm 1173: return;
1174:
1.128 nicm 1175: if (status_prompt_hsize == PROMPT_HISTORY) {
1176: free(status_prompt_hlist[0]);
1.1 nicm 1177:
1.128 nicm 1178: size = (PROMPT_HISTORY - 1) * sizeof *status_prompt_hlist;
1179: memmove(&status_prompt_hlist[0], &status_prompt_hlist[1], size);
1.1 nicm 1180:
1.128 nicm 1181: status_prompt_hlist[status_prompt_hsize - 1] = xstrdup(line);
1182: return;
1183: }
1.1 nicm 1184:
1.128 nicm 1185: status_prompt_hlist = xreallocarray(status_prompt_hlist,
1186: status_prompt_hsize + 1, sizeof *status_prompt_hlist);
1187: status_prompt_hlist[status_prompt_hsize++] = xstrdup(line);
1188: }
1189:
1190: /* Build completion list. */
1191: const char **
1192: status_prompt_complete_list(u_int *size, const char *s)
1193: {
1194: const char **list = NULL, **layout;
1195: const struct cmd_entry **cmdent;
1196: const struct options_table_entry *oe;
1197: const char *layouts[] = {
1198: "even-horizontal", "even-vertical", "main-horizontal",
1199: "main-vertical", "tiled", NULL
1200: };
1.1 nicm 1201:
1.128 nicm 1202: *size = 0;
1.1 nicm 1203: for (cmdent = cmd_table; *cmdent != NULL; cmdent++) {
1.128 nicm 1204: if (strncmp((*cmdent)->name, s, strlen(s)) == 0) {
1205: list = xreallocarray(list, (*size) + 1, sizeof *list);
1206: list[(*size)++] = (*cmdent)->name;
1207: }
1.56 nicm 1208: }
1.142 nicm 1209: for (oe = options_table; oe->name != NULL; oe++) {
1.128 nicm 1210: if (strncmp(oe->name, s, strlen(s)) == 0) {
1211: list = xreallocarray(list, (*size) + 1, sizeof *list);
1212: list[(*size)++] = oe->name;
1213: }
1214: }
1215: for (layout = layouts; *layout != NULL; layout++) {
1216: if (strncmp(*layout, s, strlen(s)) == 0) {
1217: list = xreallocarray(list, (*size) + 1, sizeof *list);
1218: list[(*size)++] = *layout;
1219: }
1220: }
1221: return (list);
1222: }
1223:
1224: /* Find longest prefix. */
1225: char *
1226: status_prompt_complete_prefix(const char **list, u_int size)
1227: {
1228: char *out;
1229: u_int i;
1230: size_t j;
1231:
1232: out = xstrdup(list[0]);
1233: for (i = 1; i < size; i++) {
1234: j = strlen(list[i]);
1235: if (j > strlen(out))
1236: j = strlen(out);
1237: for (; j > 0; j--) {
1238: if (out[j - 1] != list[i][j - 1])
1239: out[j - 1] = '\0';
1240: }
1.1 nicm 1241: }
1.128 nicm 1242: return (out);
1243: }
1.1 nicm 1244:
1.128 nicm 1245: /* Complete word. */
1246: char *
1247: status_prompt_complete(struct session *sess, const char *s)
1248: {
1249: const char **list = NULL, *colon;
1250: u_int size = 0, i;
1251: struct session *s_loop;
1252: struct winlink *wl;
1253: struct window *w;
1254: char *copy, *out, *tmp;
1255:
1256: if (*s == '\0')
1.1 nicm 1257: return (NULL);
1.128 nicm 1258: out = NULL;
1259:
1260: if (strncmp(s, "-t", 2) != 0 && strncmp(s, "-s", 2) != 0) {
1261: list = status_prompt_complete_list(&size, s);
1262: if (size == 0)
1263: out = NULL;
1264: else if (size == 1)
1265: xasprintf(&out, "%s ", list[0]);
1266: else
1267: out = status_prompt_complete_prefix(list, size);
1268: free(list);
1269: return (out);
1270: }
1271: copy = xstrdup(s);
1272:
1273: colon = ":";
1274: if (copy[strlen(copy) - 1] == ':')
1275: copy[strlen(copy) - 1] = '\0';
1276: else
1277: colon = "";
1278: s = copy + 2;
1.1 nicm 1279:
1.128 nicm 1280: RB_FOREACH(s_loop, sessions, &sessions) {
1281: if (strncmp(s_loop->name, s, strlen(s)) == 0) {
1282: list = xreallocarray(list, size + 2, sizeof *list);
1283: list[size++] = s_loop->name;
1284: }
1285: }
1286: if (size == 1) {
1287: out = xstrdup(list[0]);
1288: if (session_find(list[0]) != NULL)
1289: colon = ":";
1290: } else if (size != 0)
1291: out = status_prompt_complete_prefix(list, size);
1292: if (out != NULL) {
1293: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1294: out = tmp;
1295: goto found;
1296: }
1297:
1298: colon = "";
1299: if (*s == ':') {
1300: RB_FOREACH(wl, winlinks, &sess->windows) {
1301: xasprintf(&tmp, ":%s", wl->window->name);
1302: if (strncmp(tmp, s, strlen(s)) == 0){
1303: list = xreallocarray(list, size + 1,
1304: sizeof *list);
1305: list[size++] = tmp;
1306: continue;
1307: }
1308: free(tmp);
1.1 nicm 1309:
1.128 nicm 1310: xasprintf(&tmp, ":%d", wl->idx);
1311: if (strncmp(tmp, s, strlen(s)) == 0) {
1312: list = xreallocarray(list, size + 1,
1313: sizeof *list);
1314: list[size++] = tmp;
1315: continue;
1316: }
1317: free(tmp);
1318: }
1319: } else {
1320: RB_FOREACH(s_loop, sessions, &sessions) {
1321: RB_FOREACH(wl, winlinks, &s_loop->windows) {
1322: w = wl->window;
1323:
1324: xasprintf(&tmp, "%s:%s", s_loop->name, w->name);
1325: if (strncmp(tmp, s, strlen(s)) == 0) {
1326: list = xreallocarray(list, size + 1,
1327: sizeof *list);
1328: list[size++] = tmp;
1329: continue;
1330: }
1331: free(tmp);
1332:
1333: xasprintf(&tmp, "%s:%d", s_loop->name, wl->idx);
1334: if (strncmp(tmp, s, strlen(s)) == 0) {
1335: list = xreallocarray(list, size + 1,
1336: sizeof *list);
1337: list[size++] = tmp;
1338: continue;
1339: }
1340: free(tmp);
1341: }
1.1 nicm 1342: }
1343: }
1.128 nicm 1344: if (size == 1) {
1345: out = xstrdup(list[0]);
1346: colon = " ";
1347: } else if (size != 0)
1348: out = status_prompt_complete_prefix(list, size);
1349: if (out != NULL) {
1350: xasprintf(&tmp, "-%c%s%s", copy[1], out, colon);
1351: out = tmp;
1352: }
1353:
1354: for (i = 0; i < size; i++)
1355: free((void *)list[i]);
1356:
1357: found:
1358: free(copy);
1359: free(list);
1360: return (out);
1.1 nicm 1361: }
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